/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package admin;

import dao.KhachHangDAO;
import dao.QuanTriDAO;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import pojo.QuanTriPOJO;

/**
 *
 * @author NhatHuy
 */
@WebServlet(name = "XuLyDangNhapAdmin", urlPatterns = {"/XuLyDangNhapAdmin"})
public class XuLyDangNhapAdmin extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {                      
            HttpSession session = request.getSession();
            String tenDangNhap = request.getParameter("tfTenDangNhap");
            String matKhau = request.getParameter("tfMatKhau");
            boolean kq = QuanTriDAO.dangNhap(tenDangNhap, matKhau);

            if (kq == true){ //Nếu đăng nhập thành công.
                QuanTriPOJO qt = QuanTriDAO.layThongTin(tenDangNhap);
                if (qt.getMaLoaiTaiKhoan() == 1){ //Nếu tài khoản thuộc loại quản trị.
                    session.setAttribute("QuanTri", qt);
                    String url = request.getContextPath()+"/QuanLyGiay";
                    response.sendRedirect(url);
                }else{
                    //Chuyển về form đăng nhập.
                String url = "admin/DangNhapAdmin.html";
                response.sendRedirect(url);
                }
            }else{
                out.println("Không đăng nhập được");
                //Chuyển về form đăng nhập.
                String url = "admin/DangNhapAdmin.html";
                response.sendRedirect(url);
            }           
                        
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
